1,1,2,2-Tetrachloroethane
Stanislaus Regional Water Authority
1,1,2,2-Tetrachloroethane is an industrial chemical which has been used as a metal degreaser, and in paint, paint removers, mothballs and pesticides. It damages the liver and nervous system, and may cause cancer.
8
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 0.1 ppb
The EWG Health Guideline of 0.1 ppb for 1,1,2,2-tetrachloroethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-09-12 | CA5010043_001_001-201809120915 | ND |
| 2019-03-14 | CA5010043_001_001-201903140900 | ND |
| 2019-09-19 | CA5010043_001_001-201909191030 | ND |
| 2020-04-16 | CA5010043_001_001-202004160830 | ND |
| 2020-09-17 | CA5010043_001_001-202009170900 | ND |
| 2021-03-18 | CA5010043_001_001-202103180820 | ND |
| 2021-09-16 | CA5010043_001_001-202109160830 | ND |
| 2022-04-11 | CA5010043_001_001-202204110930 | ND |